heavy air

US 
UK 
  • un.压缩空气
  • Web二氧化碳;重空气
un.
1.
压缩空气

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard